body{margin: 0;padding: 0; width: 400px;}
.row{display:inline-block;width: 100%;font-size: 14px;padding: 2px;}
.cont_right span{font-size: 12px;padding: 19px 0 19px 19px;}
.margin_t{margin-top: 10px;}
.width_input{width: 70%}
#check{font-size: 12px;padding: 0px 19px 19px 19px;}
.pad4{padding-top: 10px;}
.xian{width: 280px;height: 1px;background: #000;margin: 0 auto;margin-top: 10px}
.posi{text-align: center;margin-top: 20px;}
.padd{padding: 0px 20px;}
#btn{text-align: left}